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<div class="subTitle">org.apache.commons.math3.optim.nonlinear.vector.jacobian</div>
<h2 title="Class AbstractLeastSquaresOptimizer" class="title">Class AbstractLeastSquaresOptimizer</h2>
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<li><a href="../../../../../../../../org/apache/commons/math3/optim/BaseOptimizer.html" title="class in org.apache.commons.math3.optim">org.apache.commons.math3.optim.BaseOptimizer</a>&lt;PAIR&gt;</li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html" title="class in org.apache.commons.math3.optim">org.apache.commons.math3.optim.BaseMultivariateOptimizer</a>&lt;<a href="../../../../../../../../org/apache/commons/math3/optim/PointVectorValuePair.html" title="class in org.apache.commons.math3.optim">PointVectorValuePair</a>&gt;</li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/MultivariateVectorOptimizer.html" title="class in org.apache.commons.math3.optim.nonlinear.vector">org.apache.commons.math3.optim.nonlinear.vector.MultivariateVectorOptimizer</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/JacobianMultivariateVectorOptimizer.html" title="class in org.apache.commons.math3.optim.nonlinear.vector">org.apache.commons.math3.optim.nonlinear.vector.JacobianMultivariateVectorOptimizer</a></li>
<li>
<ul class="inheritance">
<li>org.apache.commons.math3.optim.nonlinear.vector.jacobian.AbstractLeastSquaresOptimizer</li>
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<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/GaussNewtonOptimizer.html" title="class in org.apache.commons.math3.optim.nonlinear.vector.jacobian">GaussNewtonOptimizer</a>, <a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/LevenbergMarquardtOptimizer.html" title="class in org.apache.commons.math3.optim.nonlinear.vector.jacobian">LevenbergMarquardtOptimizer</a></dd>
</dl>
<hr>
<div class="block"><strong>Deprecated.</strong>&nbsp;
<div class="block"><i>All classes and interfaces in this package are deprecated.
 The optimizers that were provided here were moved to the
 <a href="../../../../../../../../org/apache/commons/math3/fitting/leastsquares/package-summary.html"><code>org.apache.commons.math3.fitting.leastsquares</code></a> package
 (cf. MATH-1008).</i></div>
</div>
<br>
<pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public abstract class <span class="strong">AbstractLeastSquaresOptimizer</span>
extends <a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/JacobianMultivariateVectorOptimizer.html" title="class in org.apache.commons.math3.optim.nonlinear.vector">JacobianMultivariateVectorOptimizer</a></pre>
<div class="block">Base class for implementing least-squares optimizers.
 It provides methods for error estimation.</div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>3.1</dd></dl>
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<h3>Fields inherited from class&nbsp;org.apache.commons.math3.optim.<a href="../../../../../../../../org/apache/commons/math3/optim/BaseOptimizer.html" title="class in org.apache.commons.math3.optim">BaseOptimizer</a></h3>
<code><a href="../../../../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#evaluations">evaluations</a>, <a href="../../../../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#iterations">iterations</a></code></li>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier</th>
<th class="colLast" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><strong><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/AbstractLeastSquaresOptimizer.html#AbstractLeastSquaresOptimizer(org.apache.commons.math3.optim.ConvergenceChecker)">AbstractLeastSquaresOptimizer</a></strong>(<a href="../../../../../../../../org/apache/commons/math3/optim/ConvergenceChecker.html" title="interface in org.apache.commons.math3.optim">ConvergenceChecker</a>&lt;<a href="../../../../../../../../org/apache/commons/math3/optim/PointVectorValuePair.html" title="class in org.apache.commons.math3.optim">PointVectorValuePair</a>&gt;&nbsp;checker)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
&nbsp;</td>
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<h3>Method Summary</h3>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>protected double</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/AbstractLeastSquaresOptimizer.html#computeCost(double[])">computeCost</a></strong>(double[]&nbsp;residuals)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Computes the cost.</div>
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<tr class="rowColor">
<td class="colFirst"><code>double[][]</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/AbstractLeastSquaresOptimizer.html#computeCovariances(double[],%20double)">computeCovariances</a></strong>(double[]&nbsp;params,
                  double&nbsp;threshold)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Get the covariance matrix of the optimized parameters.</div>
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<tr class="altColor">
<td class="colFirst"><code>protected double[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/AbstractLeastSquaresOptimizer.html#computeResiduals(double[])">computeResiduals</a></strong>(double[]&nbsp;objectiveValue)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Computes the residuals.</div>
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<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/AbstractLeastSquaresOptimizer.html#computeSigma(double[],%20double)">computeSigma</a></strong>(double[]&nbsp;params,
            double&nbsp;covarianceSingularityThreshold)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Computes an estimate of the standard deviation of the parameters.</div>
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<td class="colFirst"><code>protected <a href="../../../../../../../../org/apache/commons/math3/linear/RealMatrix.html" title="interface in org.apache.commons.math3.linear">RealMatrix</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/AbstractLeastSquaresOptimizer.html#computeWeightedJacobian(double[])">computeWeightedJacobian</a></strong>(double[]&nbsp;params)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Computes the weighted Jacobian matrix.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/AbstractLeastSquaresOptimizer.html#getChiSquare()">getChiSquare</a></strong>()</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Get a Chi-Square-like value assuming the N residuals follow N
 distinct normal distributions centered on 0 and whose variances are
 the reciprocal of the weights.</div>
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<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/AbstractLeastSquaresOptimizer.html#getRMS()">getRMS</a></strong>()</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Gets the root-mean-square (RMS) value.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/commons/math3/linear/RealMatrix.html" title="interface in org.apache.commons.math3.linear">RealMatrix</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/AbstractLeastSquaresOptimizer.html#getWeightSquareRoot()">getWeightSquareRoot</a></strong>()</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Gets the square-root of the weight matrix.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/commons/math3/optim/PointVectorValuePair.html" title="class in org.apache.commons.math3.optim">PointVectorValuePair</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/AbstractLeastSquaresOptimizer.html#optimize(org.apache.commons.math3.optim.OptimizationData...)">optimize</a></strong>(<a href="../../../../../../../../org/apache/commons/math3/optim/OptimizationData.html" title="interface in org.apache.commons.math3.optim">OptimizationData</a>...&nbsp;optData)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Stores data and performs the optimization.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/AbstractLeastSquaresOptimizer.html#parseOptimizationData(org.apache.commons.math3.optim.OptimizationData...)">parseOptimizationData</a></strong>(<a href="../../../../../../../../org/apache/commons/math3/optim/OptimizationData.html" title="interface in org.apache.commons.math3.optim">OptimizationData</a>...&nbsp;optData)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Scans the list of (required and optional) optimization data that
 characterize the problem.</div>
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<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/AbstractLeastSquaresOptimizer.html#setCost(double)">setCost</a></strong>(double&nbsp;cost)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Sets the cost.</div>
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<h3>Methods inherited from class&nbsp;org.apache.commons.math3.optim.nonlinear.vector.<a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/JacobianMultivariateVectorOptimizer.html" title="class in org.apache.commons.math3.optim.nonlinear.vector">JacobianMultivariateVectorOptimizer</a></h3>
<code><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/JacobianMultivariateVectorOptimizer.html#computeJacobian(double[])">computeJacobian</a></code></li>
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<h3>Methods inherited from class&nbsp;org.apache.commons.math3.optim.nonlinear.vector.<a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/MultivariateVectorOptimizer.html" title="class in org.apache.commons.math3.optim.nonlinear.vector">MultivariateVectorOptimizer</a></h3>
<code><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/MultivariateVectorOptimizer.html#computeObjectiveValue(double[])">computeObjectiveValue</a>, <a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/MultivariateVectorOptimizer.html#getTarget()">getTarget</a>, <a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/MultivariateVectorOptimizer.html#getTargetSize()">getTargetSize</a>, <a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/MultivariateVectorOptimizer.html#getWeight()">getWeight</a></code></li>
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<h3>Methods inherited from class&nbsp;org.apache.commons.math3.optim.<a href="../../../../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html" title="class in org.apache.commons.math3.optim">BaseMultivariateOptimizer</a></h3>
<code><a href="../../../../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html#getLowerBound()">getLowerBound</a>, <a href="../../../../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html#getStartPoint()">getStartPoint</a>, <a href="../../../../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html#getUpperBound()">getUpperBound</a></code></li>
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<h3>Methods inherited from class&nbsp;org.apache.commons.math3.optim.<a href="../../../../../../../../org/apache/commons/math3/optim/BaseOptimizer.html" title="class in org.apache.commons.math3.optim">BaseOptimizer</a></h3>
<code><a href="../../../../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#doOptimize()">doOptimize</a>, <a href="../../../../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#getConvergenceChecker()">getConvergenceChecker</a>, <a href="../../../../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#getEvaluations()">getEvaluations</a>, <a href="../../../../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#getIterations()">getIterations</a>, <a href="../../../../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#getMaxEvaluations()">getMaxEvaluations</a>, <a href="../../../../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#getMaxIterations()">getMaxIterations</a>, <a href="../../../../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#incrementEvaluationCount()">incrementEvaluationCount</a>, <a href="../../../../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#incrementIterationCount()">incrementIterationCount</a>, <a href="../../../../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#optimize()">optimize</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<h3>Constructor Detail</h3>
<a name="AbstractLeastSquaresOptimizer(org.apache.commons.math3.optim.ConvergenceChecker)">
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<h4>AbstractLeastSquaresOptimizer</h4>
<pre>protected&nbsp;AbstractLeastSquaresOptimizer(<a href="../../../../../../../../org/apache/commons/math3/optim/ConvergenceChecker.html" title="interface in org.apache.commons.math3.optim">ConvergenceChecker</a>&lt;<a href="../../../../../../../../org/apache/commons/math3/optim/PointVectorValuePair.html" title="class in org.apache.commons.math3.optim">PointVectorValuePair</a>&gt;&nbsp;checker)</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>checker</code> - Convergence checker.</dd></dl>
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<h3>Method Detail</h3>
<a name="computeWeightedJacobian(double[])">
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<h4>computeWeightedJacobian</h4>
<pre>protected&nbsp;<a href="../../../../../../../../org/apache/commons/math3/linear/RealMatrix.html" title="interface in org.apache.commons.math3.linear">RealMatrix</a>&nbsp;computeWeightedJacobian(double[]&nbsp;params)</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Computes the weighted Jacobian matrix.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>params</code> - Model parameters at which to compute the Jacobian.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the weighted Jacobian: W<sup>1/2</sup> J.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if the Jacobian dimension does not
 match problem dimension.</dd></dl>
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<h4>computeCost</h4>
<pre>protected&nbsp;double&nbsp;computeCost(double[]&nbsp;residuals)</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Computes the cost.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>residuals</code> - Residuals.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the cost.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/AbstractLeastSquaresOptimizer.html#computeResiduals(double[])"><code>computeResiduals(double[])</code></a></dd></dl>
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<h4>getRMS</h4>
<pre>public&nbsp;double&nbsp;getRMS()</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Gets the root-mean-square (RMS) value.

 The RMS the root of the arithmetic mean of the square of all weighted
 residuals.
 This is related to the criterion that is minimized by the optimizer
 as follows: If <em>c</em> if the criterion, and <em>n</em> is the
 number of measurements, then the RMS is <em>sqrt (c/n)</em>.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the RMS value.</dd></dl>
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<h4>getChiSquare</h4>
<pre>public&nbsp;double&nbsp;getChiSquare()</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Get a Chi-Square-like value assuming the N residuals follow N
 distinct normal distributions centered on 0 and whose variances are
 the reciprocal of the weights.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>chi-square value</dd></dl>
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<h4>getWeightSquareRoot</h4>
<pre>public&nbsp;<a href="../../../../../../../../org/apache/commons/math3/linear/RealMatrix.html" title="interface in org.apache.commons.math3.linear">RealMatrix</a>&nbsp;getWeightSquareRoot()</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Gets the square-root of the weight matrix.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the square-root of the weight matrix.</dd></dl>
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<h4>setCost</h4>
<pre>protected&nbsp;void&nbsp;setCost(double&nbsp;cost)</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Sets the cost.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>cost</code> - Cost value.</dd></dl>
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<h4>computeCovariances</h4>
<pre>public&nbsp;double[][]&nbsp;computeCovariances(double[]&nbsp;params,
                            double&nbsp;threshold)</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Get the covariance matrix of the optimized parameters.
 <br/>
 Note that this operation involves the inversion of the
 <code>J<sup>T</sup>J</code> matrix, where <code>J</code> is the
 Jacobian matrix.
 The <code>threshold</code> parameter is a way for the caller to specify
 that the result of this computation should be considered meaningless,
 and thus trigger an exception.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>params</code> - Model parameters.</dd><dd><code>threshold</code> - Singularity threshold.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the covariance matrix.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/commons/math3/linear/SingularMatrixException.html" title="class in org.apache.commons.math3.linear">SingularMatrixException</a></code> - if the covariance matrix cannot be computed (singular problem).</dd></dl>
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<h4>computeSigma</h4>
<pre>public&nbsp;double[]&nbsp;computeSigma(double[]&nbsp;params,
                    double&nbsp;covarianceSingularityThreshold)</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Computes an estimate of the standard deviation of the parameters. The
 returned values are the square root of the diagonal coefficients of the
 covariance matrix, <code>sd(a[i]) ~= sqrt(C[i][i])</code>, where <code>a[i]</code>
 is the optimized value of the <code>i</code>-th parameter, and <code>C</code> is
 the covariance matrix.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>params</code> - Model parameters.</dd><dd><code>covarianceSingularityThreshold</code> - Singularity threshold (see
 <a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/AbstractLeastSquaresOptimizer.html#computeCovariances(double[],%20double)"><code>computeCovariances</code></a>).</dd>
<dt><span class="strong">Returns:</span></dt><dd>an estimate of the standard deviation of the optimized parameters</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/commons/math3/linear/SingularMatrixException.html" title="class in org.apache.commons.math3.linear">SingularMatrixException</a></code> - if the covariance matrix cannot be computed.</dd></dl>
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<h4>optimize</h4>
<pre>public&nbsp;<a href="../../../../../../../../org/apache/commons/math3/optim/PointVectorValuePair.html" title="class in org.apache.commons.math3.optim">PointVectorValuePair</a>&nbsp;optimize(<a href="../../../../../../../../org/apache/commons/math3/optim/OptimizationData.html" title="interface in org.apache.commons.math3.optim">OptimizationData</a>...&nbsp;optData)
                              throws <a href="../../../../../../../../org/apache/commons/math3/exception/TooManyEvaluationsException.html" title="class in org.apache.commons.math3.exception">TooManyEvaluationsException</a></pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Stores data and performs the optimization.
 <p>
 The list of parameters is open-ended so that sub-classes can extend it
 with arguments specific to their concrete implementations.
 <p>
 When the method is called multiple times, instance data is overwritten
 only when actually present in the list of arguments: when not specified,
 data set in a previous call is retained (and thus is optional in
 subsequent calls).
 <p>
 Important note: Subclasses <em>must</em> override
 <a href="../../../../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#parseOptimizationData(org.apache.commons.math3.optim.OptimizationData...)"><code>BaseOptimizer.parseOptimizationData(OptimizationData[])</code></a> if they need to register
 their own options; but then, they <em>must</em> also call
 <code>super.parseOptimizationData(optData)</code> within that method.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/JacobianMultivariateVectorOptimizer.html#optimize(org.apache.commons.math3.optim.OptimizationData...)">optimize</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/JacobianMultivariateVectorOptimizer.html" title="class in org.apache.commons.math3.optim.nonlinear.vector">JacobianMultivariateVectorOptimizer</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>optData</code> - Optimization data. In addition to those documented in
 <a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/JacobianMultivariateVectorOptimizer.html#parseOptimizationData(org.apache.commons.math3.optim.OptimizationData...)"><code>JacobianMultivariateVectorOptimizer</code></a>, this method will register the following data:
 <ul>
  <li><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/Weight.html" title="class in org.apache.commons.math3.optim.nonlinear.vector"><code>Weight</code></a></li>
 </ul></dd>
<dt><span class="strong">Returns:</span></dt><dd>a point/value pair that satisfies the convergence criteria.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/commons/math3/exception/TooManyEvaluationsException.html" title="class in org.apache.commons.math3.exception">TooManyEvaluationsException</a></code> - if the maximal number of
 evaluations is exceeded.</dd>
<dd><code><a href="../../../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if the initial guess, target, and weight
 arguments have inconsistent dimensions.</dd></dl>
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<h4>computeResiduals</h4>
<pre>protected&nbsp;double[]&nbsp;computeResiduals(double[]&nbsp;objectiveValue)</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Computes the residuals.
 The residual is the difference between the observed (target)
 values and the model (objective function) value.
 There is one residual for each element of the vector-valued
 function.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>objectiveValue</code> - Value of the the objective function. This is
 the value returned from a call to
 <a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/MultivariateVectorOptimizer.html#computeObjectiveValue(double[])"><code>computeObjectiveValue</code></a>
 (whose array argument contains the model parameters).</dd>
<dt><span class="strong">Returns:</span></dt><dd>the residuals.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if <code>params</code> has a wrong
 length.</dd></dl>
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<h4>parseOptimizationData</h4>
<pre>protected&nbsp;void&nbsp;parseOptimizationData(<a href="../../../../../../../../org/apache/commons/math3/optim/OptimizationData.html" title="interface in org.apache.commons.math3.optim">OptimizationData</a>...&nbsp;optData)</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Scans the list of (required and optional) optimization data that
 characterize the problem.
 If the weight matrix is specified, the <a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/jacobian/AbstractLeastSquaresOptimizer.html#weightMatrixSqrt"><code>weightMatrixSqrt</code></a>
 field is recomputed.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/JacobianMultivariateVectorOptimizer.html#parseOptimizationData(org.apache.commons.math3.optim.OptimizationData...)">parseOptimizationData</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/JacobianMultivariateVectorOptimizer.html" title="class in org.apache.commons.math3.optim.nonlinear.vector">JacobianMultivariateVectorOptimizer</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>optData</code> - Optimization data. The following data will be looked for:
 <ul>
  <li><a href="../../../../../../../../org/apache/commons/math3/optim/nonlinear/vector/Weight.html" title="class in org.apache.commons.math3.optim.nonlinear.vector"><code>Weight</code></a></li>
 </ul></dd></dl>
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